Alert archive / Nebraska / Flash Flood Watches in 2014

Flash Flood Watch 1, NWS Hastings, NE

June 27, 201424 counties in Nebraska; 6 counties in Kansas

NWS Hastings, NE issued this flash flood watch at Jun 27, 2014, 2:20 PM CDT for 24 counties in Nebraska; 6 counties in Kansas. It took effect at Jun 27, 2014, 7:00 PM CDT. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Jun 27, 2014, 2:20 PM CDT (19:20 UTC)
In effect from
Jun 27, 2014, 7:00 PM CDT
Expired
Jun 28, 2014, 8:58 AM CDT
In force
14 hr
Issued by
NWS Hastings, NE
Flood severity
None
All 30 counties

Jewell County, KS, Mitchell County, KS, Osborne County, KS, Phillips County, KS, Rooks County, KS, Smith County, KS, Adams County, NE, Buffalo County, NE, Clay County, NE, Dawson County, NE, Fillmore County, NE, Franklin County, NE, Furnas County, NE, Gosper County, NE, Greeley County, NE, Hall County, NE, Hamilton County, NE, Harlan County, NE, Howard County, NE, Kearney County, NE, Merrick County, NE, Nance County, NE, Nuckolls County, NE, Phelps County, NE, Polk County, NE, Sherman County, NE, Thayer County, NE, Valley County, NE, Webster County, NE, York County, NE

The radar

The Grand Island radar (KUEX), 27 km from the middle of the area, began a volume at 19:21 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 7.3 hours before the alert went out and 179 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, N. Platte/Lee Bi, NE at 12:00Z on 2014-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 12:00Z on 2014-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1505 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
43 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Hastings, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 27, 2:06 AM CDTSpecial Weather StatementGIDFurnas, Gosper39 min
Jun 27, 2:40 AM CDTSpecial Weather StatementGIDFurnas35 min
Jun 27, 2:51 AM CDTSpecial Weather StatementGIDHarlan, Phelps39 min
Jun 27, 3:27 AM CDTSpecial Weather StatementGIDHarlan33 min
Jun 27, 4:07 AM CDTSpecial Weather StatementGIDGreeley38 min
Jun 27, 4:48 AM CDTSpecial Weather StatementGIDWebster42 min
Jun 27, 7:13 AM CDTSpecial Weather StatementGIDThayer32 min
Jun 27, 10:11 AM CDTSpecial Weather StatementGIDPolk34 min
Jun 27, 5:17 AM CDTSpecial Weather StatementGIDJewell28 min
Jun 27, 7:16 AM CDTSpecial Weather StatementGIDJewell, Mitchell, Osborne44 min
Jun 27, 8:02 AM CDTSpecial Weather StatementGIDMitchell28 min

Nearby

Flash Flood Watches in Nebraska, 2014Flash Flood Watches in Kansas, 2014Every flash flood watch in 2014

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.